RC4 LumenDimMIOR2 Transceiver
SKU: 80954172585

RC4 LumenDimMIOR2 Transceiver

$179.13 $199.03
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Description

RC4 LumenDimMIOR2 Transceiver** NEW DESIGN ** MORE COMPACT ** The LumenDimMIOR2 can be used as a LumenRadio CRMX transmitter or receiver. It transmits wireless DMX with up to 100mW of RF power. Equipped with Bluetooth connectivity, it is functionally similar to the LumenRadio Moonlite, including RDM support in both Transmit and Receive modes. It does not have an internal battery but can be powered with an external battery. A comprehensive range of indicators display real time

** NEW DESIGN ** MORE COMPACT **

The LumenDimMIOR2 can be used as a LumenRadio CRMX transmitter or receiver. It transmits wireless DMX with up to 100mW of RF power. Equipped with Bluetooth connectivity, it is functionally similar to the LumenRadio Moonlite, including RDM support in both Transmit and Receive modes. It does not have an internal battery but can be powered with an external battery. A comprehensive range of indicators display real-time status. Easily configured and monitored using the LumenRadio CRMX Toolbox app, available for iOS and Android smartphones.

Each LumenDimMIOR2 purchase comes with one 1dBi antenna and one 3.5mm Miniplug to 5-Pin XLR (Female) Adaptor Cable.


The very compact DC-powered LumenDimMIOR2 transceiver is both a transmitter and receiver based on the LumenRadio TimoTwo CRMX/CRMX2 platform. The LumenDimMIOR2 is easy to integrate with all of your current CRMX devices, and does so at an affordable price. The on-board DMX connection is an RC4 miniplug port.  An adaptor from miniplug to 5-pin female XLR is included with the device.  Male adaptors are also available.

Like all transceivers, the LumenDimMIOR2 has two modes of operation: TX (transmitter) and RX (receiver) with full RDM support in both directions. Any number of CRMX receivers may be used with any CRMX transmitter, wirelessly linking them all with one wireless DMX universe.

The DMX specification states that up to 32 wired devices may be used on a wired DMX output. The LumenDimMIOR2 exceeds this requirement and is capable of driving more than 32 devices. The LumenDimMIOR2 is also internally protected against static discharge and excessive line loading. The LumenDimMIOR2 will generally work reliably up to 200′ (60m). Line-of-sight is not typically required, but dense objects between units — like concrete walls — will attenuate the radio signal and reduce the available range. Because it uses an external antenna, range can be substantially improved by using special antennas that focus the RF beam.

Like all wireless devices, range is also affected by wireless data congestion. A genuine LumenRadio TimoTwo RF module in the LumenDimMIOR2 provides LumenRadio Cognitive Coexistence to avoid congestion and improve wireless performance.

The LumenDimMIOR2 transmits wireless DMX with up to 100mW of RF power. It is also equipped with Bluetooth connectivity, making it functionally very similar to the LumenRadio Moonlite, but without the built-in battery and with fewer on-board LED indicators. The antenna connection allows the use of various specialized antennas to improve range by focusing RF energy where it’s needed most.

The LumenDimMIOR2 can be powered over a wide range of 6V – 35VDC, making it easy to run from almost any external battery pack or DC power supply. The power connection is made with on-board screw terminals.

Compatibility with the LumenRadio CRMX Toolbox app, available for Apple iOS and Android smartphones, makes it easy to configure the LumenDimMIOR2 as a transmitter or receiver, set a Linking Key, check RF signal strength, and more.

As on all RC4 devices, the Link button is recessed to protect from being pushed inadvertently. Use a bent paperclip or small screwdriver to press the button when needed.  The functionality of this button is nearly identical to the Link button on the LumenRadio Moonlite, including various special functions accessible through combinations of long and short presses. Use the CRMX Toolbox app for easier configuration of all available parameters.

Get the CRMX Toolbox app:
For Apple iOS
For Android

Transmitter Mode

  • DMX Input: meets USITT DMX512/1990(4us)
  • RDM is supported in both Transmit and Receive mode, making the tiny LumenDimMIOR2 a very versatile device

Receiver Mode

  • Any number of CRMX-compatible receivers from any brand may be used in a system
  • DMX Output: meets USITT DMX512/1990 and is compliant with ANSI E1.20 – 2010 Remote Device Management for wireless RDM
  • RDM is supported in transmit and receive modes, allowing wireless RDM configuration of DMX devices connected to the LumenDimMIOR2 when using RDM-capable controllers and fixtures
  • The DMX specification allows up to 32 devices on a DMX output.  The LumenDimMIOR2 data output exceeds this requirement and is capable of driving more than 32 devices
  • Internally protected against static discharge and excessive line loading

All prices and specifications are subject to change without notice.


 

 

Get the CRMX Toolbox app:
For Apple iOS
For Android

LDMIO MIO

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 80954172585

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4.3 ★★★★★
Based on 1778 reviews
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Product Reviews
J
Verified Purchase
JM
Birmingham, US
★★★★★ 1
Hours of my life I won’t get back.
Style: Receiver
I tried to make this system work. I REALLY did. Probably blew 10 hours trying to somehow make it work. Had to return it. Customer Support - What customer support? Yamaha cut hours from weak 9 to only 5 hrs a day. Email/chat got no call back. It’s so bad I’m not sure Yamaha is gonna make it. Lip sync - Impossible to fix video to sound lag. Musiccast wireless - See lag. Also sound is tinny as hell. Also won’t stay linked. Could not get speakers to respond to giant volume knob. Would respond to app. App was mediocre. Tried to use with YSP-5600 sound bar which is allegedly Mussiccast. Nope. In short, it has been a HORRIBLE experience and I really tried.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2022
A
Verified Purchase
AB
Los Angeles, US
★★★★★ 3
Replacing a RXA770/780/880? You May be Disappointed.
Style: Receiver
I will start with the issues. (1.) HDMI audio drop outs. This can be fix by going into your tv and changing your audio settings from auto to pass through. However I remember this causing an inconvenience of some sort. I did not have to make this change with Marantz M1, Sony AZ1000, Or Integra DRX3.4. (2.) when unit goes into auto-standby while using the digital optical input, it will freeze after turning it on again. I had to unplug it to get it to work correctly. this happened every time. (3.) The plastic front panel can scratch easily. You may want to use a can of air to clean it. Yamaha should have flipped the design-the metal/aluminum where the glass/plastic is and the plastic where the metal is. (4) If using the coaxial for tv audio, It will take 9 full seconds before audio is heard. I had to buy a new TV(this was before the other issues were discovered). Finally (5) if you are replacing a RXA770/780/880, you may be disappointed. You'll have to step up to the RXA4A to get the features like PEQ and menus you had with them. Sound and Power: The 2 channel specs between the Yamaha RXA2A and The Yamaha RN1000A stereo receiver are similar. Don't let that fool you. The RN1000A is way more powerful and sound much better with music, however the A2A was way better than the RN1000A for movies and tv. In full range, sub off, the RXA2A could not drive the Polk RTIa5's well with music. In fact, to me the Marantz M1class D and the Sony AZ1000 70/70w class AB sounded more powerful and musical, making them easier to listen to than the A2A. The Integra best all 3 AVR's for music in full range mode without a sub to my ears. But with the 3.4, the sub output volume was way too low, I hated the click noise(sounds like it powered on again) when turning up master volume, and I couldn't use the presets without changing the source. The Yamaha RN1000a is the best for music only, especially at a sale price. My Positives: It come with a 5 year warranty when registered. It's well built, especially better than the Sony. You get 8 presets that you can set to the same source or different sources almost any kind of way. The dialogue mode works very well even for music. Yamaha Support is very helpful. If yours don't come with the above issues/defects that I listed, I think it can be easy to just set it, forget about it and enjoy it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
D
Verified Purchase
DougMac
West Palm Beach, US
★★★★★ 5
Excellent AVR!
Style: Receiver
Our projector in our home theater died and I updated to a 4K projector. I was using a 10 year old Onkyo receiver. It was still working fine, but being that old it did not have the latest audio codecs or 4K HDMI, so I decided to go ahead and upgrade my AVR. I had bought a relatively inexpensive Yamaha for our living room TV a few years ago and have been pleased with its performance. I looked at the RX-A2A and RX-A4A. After reading numerous reviews and tests, I decided to go with the A2A, since it was on sale and much less expensive. The difference in features were not important to me. I only need one HDMI output and only have three inputs. While the A4A has a more powerful amp and better power supply, I thought the A2A would be sufficient since our home theater is "cozy" about the same size as a living room. My speakers in my 7.1 setup are very efficient and we play music and videos at a reasonable loudness. Still, I was concerned that the A2A would match the performance of the Onkyo with its beefier power supply and more power. My fears were soon put to rest. After swapping out the units, I set up the A2A. It only took 10 minutes, including running YPAO to calibrate the system. I designed the room carefully and it has acoustic treatments, including bass traps. Therefore, the adjustments made by YPAO were minimal. We watched "No Time to Die", which has a well-regarded soundtrack full of dialog, music and special effects, including some beefy LFE. The A2A handled it all with aplomb, even at a higher-than-normal volume setting. I felt there was a noticeable improvement in audio quality. My adult son, who didn't know I upgraded to the Yamaha, remarked how the audio sounded more balanced and refined, which he attributed my sound treatments (he'd already heard the Onkyo after I had installed them). Video quality is also excellent, seamlessly passing the HDR 4K signal to the projector. Although I'm frugal and didn't want to upgrade my AVR, I'm glad I did. I'm also glad I went with the A2A.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 8, 2024
T
Verified Purchase
Timothy Cox
West Palm Beach, US
★★★★★ 5
Yamaha RX A2A
Style: Receiver, Style: Receiver
It was time to replace my old receiver with a current version. Much of the technology has changed when comparing receivers today versus 20 years ago. However, the Yamaha RX – A2 A offered a great balance between price and features. Hooking up my existing components and high definition television was extremely easy. I would recommend downloading the users manual from the Yamaha website to brush up on all options and features available during set up. The sound reproduction is top notch. I also hear the difference in surround sound reproduction compared to my older model. Once you spend quality time setting up your receiver to reflect the setup you desire, this model does not disappoint. I was able to set up my second zone so I can listen to a completely different input compared to the main room. I especially like the value added Bluetooth feature so I can connect directly to the receiver without any wires connection.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
W
Verified Purchase
Willie
Grantham, US
★★★★★ 5
Great Yamaha quality and features as expected.
Style: Receiver
Love it! Easy set up lots of options. Beautiful immersion sound.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025

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